<template>
    <div class="header">
       <div class="content-wrapper">
            <div class="avatar">
                <img width="64" height="64" :src="seller.avatar">
            </div>
            <div class="content">
                <div class="title">
                    <span class="brand"></span>
                    <span class="name">{{seller.name}}</span>
                </div>
                <div class="description">
                    {{seller.description}}/{{seller.deliveryTime}}分钟送达
                </div>
                <div v-if="seller.supports" class="support">
                    <span class="icon" :class="classMap[seller.supports[0].type]"></span>
                    <span class="text">{{seller.supports[0].description}}</span>
                </div>
            </div>
            <!--下面的是“5个>”-->
            <div v-if="seller.supports" class="support-count" @click="showDetail"> 
                <span class="count">{{seller.supports.length}}个</span>
                <i class="icon-keyboard_arrow_right"></i>
            </div>
       </div>
       <div class="bulletin-wrapper" @click="showDetail">
           <span class="bulletin-title"></span><span class="bulletin-text">{{seller.bulletin}}</span>
           <i class="icon-keyboard_arrow_right"></i>
       </div>
       <!--header部分的背景图片-->
       <div class="background">
           <img :src="seller.avatar" width="100%" height="100%">
       </div>
       <!--以下是点击“5个>和>的浮窗”-->
       <!--sticky footer的“套路" 3个div”-->
       <div v-show="detailShow" class="detail">
           <div class="detail-wrapper clearfix">
               <div class="detail-main">
                    <h1 class="name">{{seller.name}}</h1>
                    <star :size="48" :score="seller.score"></star>
               </div>
           </div>
           <div class="detail-close">
               <i class="icon-close"></i>
           </div>
       </div>
    </div>
    
</template>

<script>
import star from '../star/star';
export default {
    props: {
        seller: {
            type: Object
        }
    },
    data() {
        return {
            detailShow: false
        };
    },
    methods: {
        showDetail() {
            this.detailShow=true;
        }
    },
    created() {
        this.classMap = ['decrease','discount','special','invoice','guarantee'];
    },
    components: {
        star
    }
}
</script>

<style lang="stylus" rel="stylesheet/stylus">
    @import "../../common/stylus/mixin";
    .header
        position :relative
        overflow :hidden
        color: #fff
        background: rgba(7,17,27,0.5) //这个有个透明度的设置，这个background是在背景图片之上的，所以设置了透明度的话，就能看见底下的背景图片了
        .content-wrapper
            padding: 24px 12px 18px 24px
            position :relative
            font-size : 0 //font-size 为0是为了块儿级元素之间为0
            .avatar
                display : inline-block
                //vertical-align : top
                img 
                    border-radius : 2px
            .content
                display : inline-block
                vertical-align : top
                margin-left : 16px
                .title
                    margin: 2px 0 8px 0
                    .brand     //brand是个图片，我们首选要设置宽和高
                        display: inline-block  //brand是span属于行内元素，设置display:inline-block是把它转换成块级元素，进而设置宽和高(行内元素不能设置宽和高)
                        vertical-align : top
                        width: 30px
                        height : 18px //以下把图片作为背景引入  想一想，为什么这个图片是以背景图片显示的，而不是img标签
                        bg-image('brand')
                        background-size : 30px 18px
                        background-repeat : no-repeat
                    .name
                        margin-left:6px
                        font-size:16px
                        line-height : 18px
                        font-weight :bold
                .description
                    margin-bottom: 10px
                    line-height : 12px
                    font-size : 12px
                .support
                    .icon
                        display:inline-block
                        vertical-align : top
                        width: 12px
                        height :12px
                        margin-right : 4px
                        background-size : 12px 12px
                        background-repeat : no-repeat
                        &.decrease
                            bg-image('decrease_1')
                        &.guarantee
                            bg-image('guarantee_1')
                        &.discount
                            bg-image('discount_1')
                        &.invoice
                            bg-image('invoice_1')
                        &.special
                            bg-image('special_1')
                    
                    .text
                        line-height: 12px
                        font-size : 10px
                        
            .support-count
                position : absolute //绝对定位的元素相对于最近的已定位父元素，如果元素没有已定位的父元素，那么它的位置相对于<html>,这里，它找到的是父级元素content-wrapper的position
                right: 12px
                bottom: 14px
                padding: 0 8px
                height : 24px
                line-height 24px
                border-radius: 14px
                background : rgba(0,0,0,0.2)
                text-align : center
                .count
                    vertical-align : top
                    font-size : 10px
                .icon-keyboard_arrow_right
                    margin-left : 2px
                    line-height : 24px
                    font-size :10px
 
        .bulletin-wrapper
            position :relative
            height : 28px
            line-height : 28px
            padding: 0 22px 0 12px
            white-space: nowrap    //以下三个样式属性设置的是文字多的时候显示...
            overflow: hidden
            text-overflow : ellipsis
            background:rgba(7,17,27,0.2)
            .bulletin-title
                display: inline-block
                vertical-align : top
                margin-top: 8px
                width: 22px
                height : 12px
                bg-image('bulletin')
                background-size: 22px 12px
                background-repeat : no-repeat
            .bulletin-text
                margin: 0 4px
                font-size :10px  
            .icon-keyboard_arrow_right
                position :absolute
                font-size: 10px
                right : 12px
                top: 10px

        .background
            position :absolute
            top:0
            left:0
            width : 100%
            height :100%
            z-index -1
            filter:blur(10px) //背景图片模糊处理
        .detail
            position :fixed
            z-index 100
            top 0
            left 0
            width 100%
            height 100%
            overflow auto
            background rgba(7,17,27,0.8)
            .detail-wrapper
                width: 100%
                min-height :100%
                .detail-main
                    margin-top : 64px
                    padding-bottom : 64px
                    .name
                        line-height : 16px
                        text-align :center
                        font-size :16px
                        font-weight :700
            .detail-close
                position: relative
                width: 32px
                height: 32px
                margin : -64px auto 0 auto
                clear: both
                font-size: 32px

</style>

